Author Topic: 1973 MG B  (Read 157707 times)

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Offline Chris_

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Re: 1973 MG B
« Reply #750 on: February 05, 2014, 02:48:30 PM »
Check for a Flash Player update for your computer.
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Offline Eupher

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Re: 1973 MG B
« Reply #751 on: February 05, 2014, 05:19:45 PM »
TDC on the exhaust stroke is 180 degrees off from the compression stroke.  Your engine would never start.

Uh, I get the "your engine would never start" thing, but I think your geometry is off.  :shrug:

In a 4-cycle engine, the piston is going to be TDC twice during one cycle. Once on the exhaust stroke and once on the compression/firing stroke. In that sense, you wouldn't be 180 degrees "off" you'd be 360 degrees "off," right? You need two complete 360 degree rotations to complete one cycle.

Cycle 1 - firing/downstroke
Cycle 2 - exhaust valve opens, piston moves upstroke
Cycle 3 - intake valve opens, piston moves downstroke, filling chamber with fuel mixture
Cycle 4 - piston moves upstroke, compressing the mixture

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Offline Chris_

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Re: 1973 MG B
« Reply #752 on: February 05, 2014, 07:43:46 PM »
Okay, yes, my maff was wrong.
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Offline Chris_

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Re: 1973 MG B
« Reply #753 on: February 23, 2014, 11:48:37 AM »
Did you get your new Moss catalog?  15% off!*

*if you buy $1000 or more

I'm going to have to replace the entire exhaust.  The header I bought just doesn't cut it... it's noisy and it leaks.
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Offline BattleHymn

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Re: 1973 MG B
« Reply #754 on: February 23, 2014, 03:42:25 PM »
Did you get your new Moss catalog?  15% off!*

*if you buy $1000 or more

I'm going to have to replace the entire exhaust.  The header I bought just doesn't cut it... it's noisy and it leaks.

I always got any new parts I needed from Moss through Chris Roop.  He's 15% off list all the time, except for big things like superchargers and the like:

http://www.roopsmg.com/index.htm

The site isn't much to look at, but I've never had any problems when I deal with him.

This MG came with the Peco exhaust installed.  The previous MG I owned, I purchased the Peco kit for it, and was pleased.


« Last Edit: February 23, 2014, 03:44:30 PM by BattleHymn »

Offline Chris_

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Re: 1973 MG B
« Reply #755 on: February 23, 2014, 08:48:04 PM »
That's the one I need, but I don't see it on his site. :(

My bill is up to $700 for parts.  I went ahead and ordered a replacement vinyl dash cover.  The old one looked pretty nice until the adhesive came off (I never noticed it was there until it started rattling).
« Last Edit: February 23, 2014, 08:52:53 PM by Chris_ »
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Offline Chris_

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Re: 1973 MG B
« Reply #756 on: February 23, 2014, 08:52:22 PM »
If you want to worship an orange pile of garbage with a reckless disregard for everything, get on down to Arbys & try our loaded curly fries.

Offline Chris_

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Re: 1973 MG B
« Reply #757 on: February 23, 2014, 11:47:18 PM »
Comedians In Cars Getting Coffee: 1966 MG B
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Offline BattleHymn

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Re: 1973 MG B
« Reply #758 on: February 24, 2014, 08:10:34 AM »
I wish the GT were a chrome bumper.

Offline Chris_

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Re: 1973 MG B
« Reply #759 on: February 24, 2014, 10:45:31 AM »
The bumper conversion isn't very difficult if you can weld (I can't).  Cut a little here, weld a little there, reposition your indicator lights (more cutting and welding), and install the chrome bumper and hardware. 

There's the whole ride height issue, but I don't think that was done until 1975.  This one might have been spared.
« Last Edit: February 24, 2014, 10:51:53 AM by Chris_ »
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Offline BattleHymn

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Re: 1973 MG B
« Reply #760 on: February 24, 2014, 12:43:14 PM »
The bumper conversion isn't very difficult if you can weld (I can't).  Cut a little here, weld a little there, reposition your indicator lights (more cutting and welding), and install the chrome bumper and hardware. 

There's the whole ride height issue, but I don't think that was done until 1975.  This one might have been spared.

Yeah, I did the conversion on my first B, at least most of it.  Somebody was kind enough to total it for me before I finished the job. 

Offline Chris_

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Re: 1973 MG B
« Reply #761 on: February 24, 2014, 12:45:42 PM »
Yeah, I did the conversion on my first B, at least most of it.  Somebody was kind enough to total it for me before I finished the job. 
Could be worse.  You could have Leepu buy a GT with your money and cut the roof off to make a convertible.
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Offline BattleHymn

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Re: 1973 MG B
« Reply #762 on: February 24, 2014, 12:53:56 PM »
Could be worse.  You could have Leepu buy a GT with your money and cut the roof off to make a convertible.

I had to nadin that to get the context of what you're talking about.  Oh my gosh.   :thatsright:

Offline Chris_

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Re: 1973 MG B
« Reply #763 on: February 25, 2014, 02:21:44 PM »
Finished my shopping, about $500 plus shipping after my discount.

125-840 BEARING KIT, FRONT (2)
453-895 DASHTOP REPAIR PANEL
459-085 EXHAUST SYSTEM

[youtube=425,350]http://www.youtube.com/watch?v=AkY8mq5sFIU[/youtube]
« Last Edit: February 28, 2014, 11:10:17 AM by Chris_ »
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Offline Chris_

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Re: 1973 MG B
« Reply #764 on: March 02, 2014, 06:27:19 PM »
I think my battery froze at some point.  I'm getting a fluctuating voltage reading from the battery but I turn the key and the car is dead.  Also, the clutch slave cylinder has completely failed and will need to be rebuilt or replaced before I can drive the car.  I got the exhaust and carburetors removed before it got dark.  I still have to remove the intake manifold and the header before I can install the new exhaust.

One of the other storage unit renters has a beautiful '68 BMW motorcycle.  It was so nice.  Oh, and he had a Harley (meh).



 
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Offline Chris_

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Re: 1973 MG B
« Reply #765 on: March 09, 2014, 05:02:23 PM »
The flexible hose (#19) connecting the hard line to the slave cylinder is leaking and seeping fluid.  Time to order a replacement.

The old header/exhaust is out.  The oil separator cover gasket is what broke and leaked all over the floor of the garage -- I need to find one that actually fits.  I pulled the battery... it read -40 volts. :rofl:

I need to get this thing back into town to get the crack of doom fixed.  I'm wondering if I need to replace the master cylinder since it has been spitting up fluid into the driver footwell.
« Last Edit: March 09, 2014, 08:41:02 PM by Chris_ »
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Offline Chris_

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Re: 1973 MG B
« Reply #766 on: March 11, 2014, 01:59:15 PM »
I love that Moss Motors has a distributor in Roanoke, VA.  I can pay for ground shipping and I still get my stuff in a day or two.
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Offline BattleHymn

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Re: 1973 MG B
« Reply #767 on: March 13, 2014, 10:13:59 PM »
I need to get this thing back into town to get the crack of doom fixed.  I'm wondering if I need to replace the master cylinder since it has been spitting up fluid into the driver footwell.

This reminds me of my first experience with a British car.  I was working at an auto auction as a lot jockey, and hopped into a TR-7 to move it for some reason.  

No sooner did I get the damn thing started when the oil feed line popped off the back of the mechanical pressure gauge and pissed oil ALL over my jeans and shirt.  You would be surprised how much oil a little hose can piss out when it's coming at you at around 80PSI.  :mad:  

When I'm behind the dash on my B, I always instinctively check that the oil feed line is still firmly connected to the gauge.  


[edit]

Also, my B occasionally leaked fluid from the master cylinder into the driver's footwell when I first bought it.  One day, it mysteriously stopped.

I still think our cars were put together by the exact same slovenly Midlander.  

« Last Edit: March 13, 2014, 10:16:27 PM by BattleHymn »

Offline Chris_

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Re: 1973 MG B
« Reply #768 on: March 14, 2014, 08:24:50 PM »
I have an appointment with a local photographer who wants to use my MG in a photo shoot Tuesday.

This is going to be the quickest clutch bleed and exhaust install I've ever done.  :lmao:
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Offline Chris_

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Re: 1973 MG B
« Reply #769 on: March 15, 2014, 10:55:16 PM »
Well.  Sure hope I don't have to do that again any time soon.

I removed the flexible fabric/rubber clutch hose and the old slave cylinder.  The slave cylinder on the car doesn't look any different than the replacement I bought from Moss and is air tight.  By the way, the lock nut holding the hose in place is 24mm.  You'll also need a 12mm 90-degree 3/8 flare socket to remove the hydraulic line.  It's the only way to get to the 24-mm lock nut.  I'm going to attempt reverse-bleeding the original slave cylinder.  I should be able to toss the new exhaust on in a couple hours tomorrow.

Oh, my back.
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Offline Chris_

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Re: 1973 MG B
« Reply #770 on: March 16, 2014, 05:57:40 PM »
Does anyone sell a 12mm crowfoot socket?  Every store I went to sold either 11 or 13. :mad:

Another completely useless day wasted.


I took the bad wheel (front right) to be balanced.  The guy said there was a flat spot on it and adjusted the wheel weight to compensate.  Since it's off the car, I'll probably paint it this week since I don't have much else going on.
« Last Edit: March 16, 2014, 06:14:55 PM by Chris_ »
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Offline JohnnyReb

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Re: 1973 MG B
« Reply #771 on: March 16, 2014, 06:20:08 PM »
Does anyone sell a 12mm crowfoot socket?  Every store I went to sold either 11 or 13. :mad:

Another completely useless day wasted.


I took the bad wheel (front right) to be balanced.  The guy said there was a flat spot on it and adjusted the wheel weight to compensate.  Since it's off the car, I'll probably paint it this week since I don't have much else going on.
I have cut tools and welded things to them to make the special tools needed for a specific job.

Rather expensive sometimes but it's quick and works.
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"America is like a healthy body and its resistance is threefold: its patriotism, its morality, and its spiritual life. If we can undermine these three areas, America will collapse from within."  Stalin

Offline Chris_

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Re: 1973 MG B
« Reply #772 on: March 16, 2014, 07:28:05 PM »
I have cut tools and welded things to them to make the special tools needed for a specific job.

Rather expensive sometimes but it's quick and works.
I would love it if I could cut a 12mm socket down the side, but I'm afraid I might hurt myself.  The only thing I have is a table saw.
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Offline JohnnyReb

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Re: 1973 MG B
« Reply #773 on: March 16, 2014, 07:30:35 PM »
I would love it if I could cut a 12mm socket down the side, but I'm afraid I might hurt myself.  The only thing I have is a table saw.
Side grinder and time? ....definitely not the table saw.
“The American people will never knowingly adopt socialism. But, under the name of ‘liberalism’, they will adopt every fragment of the socialist program, until one day America will be a socialist nation, without knowing how it happened.” - Norman Thomas, U.S. Socialist Party presidential candidate 1940, 1944 and 1948

"America is like a healthy body and its resistance is threefold: its patriotism, its morality, and its spiritual life. If we can undermine these three areas, America will collapse from within."  Stalin

Offline BattleHymn

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Re: 1973 MG B
« Reply #774 on: March 16, 2014, 07:31:25 PM »
I would love it if I could cut a 12mm socket down the side, but I'm afraid I might hurt myself.  The only thing I have is a table saw.

Can you shim the 13mm crow's foot to work?